Table 1.

Distribution of katG mutations at theNciI recognition site including codon 463 over INH susceptibility status of M. tuberculosis organisms taken from patients in The Netherlands

INH susceptibilityNo. (%) of isolatesTotal no. of isolates
Mutant katGWild-type katGPCR negative
Susceptible32 (32)62 (62)6 (6)100
Intermediate21 (30)44 (63)5 (7)70
Resistant64 (28)143 (64)18 (8)225
Total117 (30)249 (63)29 (7)395